/* Aetherneum — shared stylesheet
   Editorial light theme. Parchment background, deep navy ink, cyan accent.
   Built for readability: larger type, generous line-height, high contrast.
   Used by all pages on aetherneum.com (root brand pillar).
*/
:root {
    --bg: #faf7ef;            /* warm parchment cream */
    --bg-soft: #f3eee2;        /* slightly deeper section bg */
    --bg-paper: #ffffff;       /* cards & elevated surfaces */
    --ink: #0d1b2a;            /* deep midnight navy — body text */
    --ink-strong: #050b14;     /* darkest — for headings */
    --ink-muted: #475c75;      /* medium navy — secondary text */
    --ink-faint: #8896a4;      /* faint — metadata, labels */
    --line: #d9d3c4;           /* warm border line */
    --line-soft: #ebe5d4;      /* softer divider */
    --cyan: #0e7490;           /* deep teal — primary accent (high contrast on cream) */
    --cyan-hover: #155e75;     /* darker on hover */
    --cyan-soft: #cffafe;      /* light cyan wash for badges/highlights */
    --cyan-glow: #06b6d4;      /* brighter cyan — for emphasis */
    --cyan-deep: #155e75;      /* alias retained for backward-compat inline styles */
    --gold: #92400e;           /* warm contrast for special marks (e.g. Founding Certified) */
    --serif: 'EB Garamond', Georgia, serif;
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

    /* Type scale — pumped for readability */
    --fs-base: 1.125rem;       /* 18px base */
    --fs-body: 1.15rem;        /* ~18.4px paragraph */
    --fs-lede: 1.32rem;        /* ~21px lede */
    --fs-h2: clamp(1.8rem, 3.5vw, 2.6rem);
    --fs-h3: clamp(1.3rem, 2.4vw, 1.7rem);
    --fs-nav: 0.92rem;         /* clearer nav text */
    --fs-meta: 0.78rem;        /* small caps labels */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 17px; scroll-behavior: smooth; }
@media (min-width: 1280px) { html { font-size: 18px; } }

html, body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--serif);
    font-size: var(--fs-base);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Subtle paper grain — replaces the dark hero canvas */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
      radial-gradient(circle at 20% 10%, rgba(14, 116, 144, 0.05), transparent 50%),
      radial-gradient(circle at 80% 90%, rgba(14, 116, 144, 0.04), transparent 55%);
}

/* Hide dark-mode decorations — keep the markup, drop the visual */
#hero-canvas { display: none; }
.vignette { display: none; }
.core-glow { display: none; }

main {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === NAVIGATION === */
nav.top {
    padding: 1.4rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--mono);
    font-size: var(--fs-nav);
    letter-spacing: 0.04em;
    color: var(--ink-muted);
    border-bottom: 1px solid var(--line);
    background: rgba(250, 247, 239, 0.85);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 10;
}
nav.top .brand {
    color: var(--ink-strong);
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.18em;
    font-size: 1rem;
}
nav.top .brand:hover { color: var(--cyan); }
nav.top .links { display: flex; align-items: center; flex-wrap: wrap; gap: 0.2rem; }
nav.top .links a {
    color: var(--ink-muted);
    text-decoration: none;
    padding: 0.5rem 0.95rem;
    border-radius: 4px;
    transition: color 0.2s ease, background 0.2s ease;
}
nav.top .links a:hover {
    color: var(--cyan);
    background: rgba(14, 116, 144, 0.07);
}
nav.top .links a.active {
    color: var(--cyan);
    background: rgba(14, 116, 144, 0.1);
    font-weight: 500;
}

/* === HERO === */
.hero-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 2rem 4rem;
    text-align: center;
}
.eyebrow {
    font-family: var(--mono);
    font-size: var(--fs-meta);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 1.6rem;
    font-weight: 500;
}
.wordmark {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(2.6rem, 6.5vw, 5.2rem);
    letter-spacing: 0.12em;
    color: var(--ink-strong);
    margin-bottom: 0.9rem;
    line-height: 1.05;
}
.wordmark .ae { color: var(--cyan); }
.tagline {
    font-family: var(--serif);
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    color: var(--ink);
    margin: 0 auto 1.6rem;
    line-height: 1.4;
    max-width: 44rem;
    font-style: italic;
    font-weight: 400;
}
.lede {
    font-family: var(--serif);
    font-size: var(--fs-lede);
    color: var(--ink-muted);
    max-width: 42rem;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

/* === BLOCKS === */
.block {
    max-width: 68rem;
    margin: 0 auto;
    padding: 4rem 2rem;
    border-bottom: 1px solid var(--line-soft);
}
.block:last-of-type { border-bottom: 0; }
.block h2 {
    font-family: var(--serif);
    font-size: var(--fs-h2);
    font-weight: 500;
    color: var(--ink-strong);
    margin-bottom: 1.5rem;
    letter-spacing: -0.005em;
    line-height: 1.15;
}
.block h3 {
    font-family: var(--mono);
    font-size: var(--fs-meta);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cyan);
    margin: 2.5rem 0 1rem;
    font-weight: 500;
}
.block p {
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--ink);
    margin-bottom: 1.2rem;
    max-width: 52rem;
}
.block p strong { color: var(--ink-strong); font-weight: 600; }
.block ul, .block ol {
    color: var(--ink);
    margin: 1.2rem 0 1.8rem 1.5rem;
    line-height: 1.7;
    max-width: 52rem;
    font-size: var(--fs-body);
}
.block li { margin-bottom: 0.75rem; }
.block li strong { color: var(--ink-strong); font-weight: 600; }
/* Underline only inline text-anchors (no class). Card-shaped anchors (tool-card,
   door, alumnus-card, verify-card, cta, etc.) keep their own visual treatment. */
.block a:not([class]),
.block p > a,
.block li > a {
    color: var(--cyan);
    text-decoration: underline;
    text-decoration-color: rgba(14, 116, 144, 0.35);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s ease;
}
.block a:not([class]):hover,
.block p > a:hover,
.block li > a:hover {
    text-decoration-color: var(--cyan);
}
/* Cards / wrappers — strip any inherited underline */
.block a.tool-card,
.block a.door,
.block a.alumnus-card,
.block a.verify-card,
.block a.cta {
    text-decoration: none;
}
.block a.tool-card *, .block a.door *, .block a.alumnus-card *,
.block a.verify-card *, .block a.cta * {
    text-decoration: none;
}
.block code {
    font-family: var(--mono);
    font-size: 0.88em;
    color: var(--cyan-hover);
    background: rgba(14, 116, 144, 0.08);
    padding: 0.18em 0.45em;
    border-radius: 3px;
}

/* === DOORS GRID (3 cards) === */
.doors {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
    margin: 2rem 0 3rem;
}
.door {
    border: 1px solid var(--line);
    background: var(--bg-paper);
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: var(--ink);
    display: block;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(13, 27, 42, 0.04);
}
.door:hover {
    border-color: var(--cyan);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(13, 27, 42, 0.08);
}
.door .num {
    font-family: var(--mono);
    font-size: var(--fs-meta);
    color: var(--cyan);
    letter-spacing: 0.16em;
    margin-bottom: 1rem;
    font-weight: 500;
    text-transform: uppercase;
}
.door .name {
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 500;
    margin-bottom: 0.6rem;
    color: var(--ink-strong);
    line-height: 1.2;
}
.door .name .the { color: var(--ink-faint); font-style: italic; font-weight: 400; }
.door .desc {
    font-family: var(--serif);
    font-size: 1.05rem;
    color: var(--ink-muted);
    line-height: 1.55;
}
.door .arrow {
    position: absolute;
    bottom: 1.2rem; right: 1.6rem;
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}
.door:hover .arrow { transform: translateX(5px); }

/* === STATS STRIP === */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 2rem 0 1rem;
}
.stat {
    text-align: center;
    padding: 1.6rem 1rem;
    border: 1px solid var(--line);
    background: var(--bg-paper);
    border-radius: 6px;
}
.stat .num {
    font-family: var(--serif);
    font-size: 2.6rem;
    color: var(--cyan);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1;
}
.stat .label {
    font-family: var(--mono);
    font-size: var(--fs-meta);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-top: 0.7rem;
    font-weight: 500;
}

/* === TABLES === */
.block table {
    width: 100%;
    margin: 1.5rem 0 2rem;
    border-collapse: collapse;
    font-size: var(--fs-body);
    background: var(--bg-paper);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--line);
}
.block table thead th {
    text-align: left;
    padding: 1rem 1.1rem;
    font-family: var(--mono);
    font-size: var(--fs-meta);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cyan);
    border-bottom: 1px solid var(--line);
    background: var(--bg-soft);
    font-weight: 500;
}
.block table tbody td {
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--line-soft);
    color: var(--ink);
}
.block table tbody tr:last-child td { border-bottom: 0; }
.block table tbody td a { color: var(--cyan); text-decoration: none; font-weight: 500; }
.block table tbody td a:hover { color: var(--cyan-hover); text-decoration: underline; }

/* === BADGE === */
.badge-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0 1.8rem; }
.badge {
    font-family: var(--mono);
    font-size: var(--fs-meta);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cyan-hover);
    background: var(--cyan-soft);
    border: 1px solid rgba(14, 116, 144, 0.25);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-weight: 500;
}

/* === PRICING CARDS === */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.3rem; margin: 2rem 0 3rem; }
.tier {
    border: 1px solid var(--line);
    background: var(--bg-paper);
    padding: 2.2rem 1.8rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}
.tier:hover {
    border-color: var(--cyan);
    box-shadow: 0 6px 20px rgba(13, 27, 42, 0.06);
}
.tier .name {
    font-family: var(--mono);
    font-size: var(--fs-meta);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 1rem;
    font-weight: 500;
}
.tier .price {
    font-family: var(--serif);
    font-size: 2rem;
    color: var(--ink-strong);
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.tier .price .unit { font-size: 0.95rem; color: var(--ink-muted); }
.tier .features {
    font-family: var(--serif);
    color: var(--ink);
    list-style: none;
    margin: 1.2rem 0 0 0;
    font-size: 1rem;
}
.tier .features li {
    padding: 0.5rem 0;
    padding-left: 1.4rem;
    position: relative;
    line-height: 1.5;
}
.tier .features li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--cyan);
    font-size: 0.7em;
    top: 0.7rem;
}

/* === DOMAIN CARD (skill domains, used in /talents) === */
.domain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1.1rem; margin: 1.5rem 0; }
.domain-card {
    background: var(--bg-paper);
    border-left: 3px solid var(--cyan);
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 1.1rem 1.3rem;
    border-radius: 0 4px 4px 0;
}
.domain-card .domain-name { font-family: var(--mono); font-size: var(--fs-meta); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); font-weight: 500; }
.domain-card .domain-count { font-family: var(--serif); font-size: 1.8rem; color: var(--cyan); margin: 0.35rem 0; font-weight: 500; }
.domain-card .domain-skills { font-family: var(--mono); font-size: 0.85rem; color: var(--ink-muted); line-height: 1.55; }

/* === CTA === */
.cta-row { margin: 2rem 0 3rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.cta {
    display: inline-block;
    padding: 0.95rem 1.8rem;
    border: 1.5px solid var(--cyan);
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 0.86rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.2s ease;
    border-radius: 4px;
    background: transparent;
    font-weight: 500;
}
.cta:hover {
    background: var(--cyan);
    color: var(--bg);
    transform: translateY(-1px);
}
.cta.primary {
    background: var(--cyan);
    color: var(--bg);
}
.cta.primary:hover {
    background: var(--cyan-hover);
    border-color: var(--cyan-hover);
}

/* === FOOTER === */
footer {
    padding: 3.5rem 2.5rem 2.5rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    color: var(--ink-muted);
    text-align: center;
    border-top: 1px solid var(--line);
    background: var(--bg-soft);
}
footer a { color: var(--cyan); text-decoration: none; font-weight: 500; }
footer a:hover { color: var(--cyan-hover); text-decoration: underline; }
footer .motto {
    font-family: var(--serif);
    font-style: italic;
    letter-spacing: 0.01em;
    font-size: 1.1rem;
    color: var(--ink);
    margin-bottom: 1rem;
}

/* === REVEAL ANIMATION === */
.reveal {
    opacity: 0;
    transform: translateY(10px);
    animation: reveal 0.9s ease-out forwards;
}
.reveal.d1 { animation-delay: 0.05s; }
.reveal.d2 { animation-delay: 0.2s; }
.reveal.d3 { animation-delay: 0.4s; }
.reveal.d4 { animation-delay: 0.6s; }
.reveal.d5 { animation-delay: 0.85s; }
@keyframes reveal { to { opacity: 1; transform: translateY(0); } }

/* === MANIFESTO (for the home only) === */
.manifesto {
    font-family: var(--serif);
    font-size: clamp(1.25rem, 2vw, 1.55rem);
    line-height: 1.7;
    max-width: 40rem;
    margin: 2rem auto 3rem;
    color: var(--ink);
    text-align: center;
    font-weight: 400;
}
.manifesto p { margin: 1.1rem 0; color: var(--ink); }
.manifesto em { color: var(--cyan); font-style: italic; }
.manifesto .pause {
    display: block;
    margin: 2rem 0;
    color: var(--cyan);
    letter-spacing: 0.4em;
    font-size: 1rem;
    font-family: var(--mono);
}

/* === RESPONSIVE === */
@media (max-width: 920px) {
    nav.top { padding: 1rem 1.4rem; flex-direction: column; gap: 0.6rem; }
    nav.top .links { justify-content: center; flex-wrap: wrap; gap: 0.1rem; }
    nav.top .links a { padding: 0.35rem 0.7rem; font-size: 0.85rem; }
    .doors { grid-template-columns: 1fr; }
    .domain-grid { grid-template-columns: 1fr; }
    .block { padding: 2.8rem 1.5rem; }
    .hero-wrap { padding: 3rem 1.5rem; }
    footer { padding: 2.5rem 1.5rem 2rem; }
}
@media (max-width: 480px) {
    html { font-size: 16px; }
    nav.top .links a { padding: 0.3rem 0.5rem; font-size: 0.78rem; }
}

/* === SELECTION === */
::selection { background: var(--cyan); color: var(--bg); }